Answer to Question #61439 in Other Biology for umar

Question #61439
7 Sweat glands in the ______________ cool body on hot days. hairs legs head skin 8 Lungs enable mammals to use atmospheric _____________. nitrogen carbon carbon dioxide oxygen 9 A rigid exoskeleton is a characteristic of the phylum __________________ mammalia arthropda chordata pisces
1
Expert's answer
2016-09-12T05:59:03-0400
7. skin
8. oxygen
9. arthropoda

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